You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Convert the IUPAC name of a molecule 2-[4-[2-[2-[[4,7-bis[[6-[hydroxy(methyl)phosphoryl]-4-[2-(4-methoxy-2-methylphenyl)ethynyl]pyridin-2-yl]methyl]-1,4,7-triazonan-1-yl]methyl]-6-[hydroxy(methyl)phosphoryl]pyridin-4-yl]ethynyl]-3-methylphenoxy]acetate;5-[4-[2-[2-[[4,7-bis[[6-[hydroxy(methyl)phosphoryl]-4-[2-(4-methoxyphenyl)ethynyl]pyridin-2-yl]methyl]-1,4,7-triazonan-1-yl]methyl]-6-[hydroxy(methyl)phosphoryl]pyridin-4-yl]ethynyl]phenoxy]-4-oxopentanoate;europium(2+) into molecular formula.
user
C116H122Eu2N12O23P6+2
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