You are a chemist. Please follow the instructions to convert the structure to the corresponding name.
system
Please write the molecular formula of the molecule 15-(4-aminobutyl)-18-(3-aminopropyl)-6,7-dichloro-12-(1H-indol-3-ylmethyl)-13-methyl-2-thia-10,13,16,19-tetrazatricyclo[19.4.0.03,8]pentacosa-1(25),3(8),4,6,21,23-hexaene-11,14,17-trione .
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C37H45Cl2N7O3S
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