Using COC(=O)CCC(=O)N=c1scc(CN2CCC(c3c[nH]c4ccccc34)CC2)n1C(=O)CCC(=O)OC to produce O=C(O)CCC(=O)Nc1nc(CN2CCC(c3c[nH]c4ccccc34)CC2)cs1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.