Using COC(=O)c1ccc(C(=O)Nc2ccc3c4c2CCCC4(C)CCC3)cn1 to produce CC12CCCc3ccc(NC(=O)c4ccc(C(=O)O)nc4)c(c31)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.