Using O=C(CCC1c2ccccc2C(=O)N1Cc1ccccc1)Nc1nccs1, Nc1ccc(C(=O)O)cn1 to produce O=C(CCC1c2ccccc2C(=O)N1Cc1ccccc1)Nc1ccc(C(=O)O)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.