Using CCC1CCCCC1Nc1ccc(C(=O)OC)cc1NC(=O)Cc1cccs1 to produce CCC1CCCCC1n1c(Cc2cccs2)nc2cc(C(=O)O)ccc21, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.