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What is the SMILES representation for [(2R,3S,4R,5R)-5-(6-aminopurin-9-yl)-3,4-dihydroxyoxolan-2-yl]methyl [(2R)-1-[3-[(2R,3R,7S,12S,13S,14Z,17S,18S,19R)-2,13,18-tris(2-amino-2-oxoethyl)-7,12,17-tris(3-amino-3-oxopropyl)-3,5,8,8,13,15,18,19-octamethyl-1,2,7,12,17,23-hexahydrocorrin-3-yl]propanoylamino]propan-2-yl] hydrogen phosphate ?
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