Using COC(=O)C1CCCN1Cc1cccc(NC(=O)Nc2csc(-c3ccncc3)n2)n1 to produce O=C(Nc1cccc(CN2CCCC2C(=O)O)n1)Nc1csc(-c2ccncc2)n1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.