Using COC(=O)c1cnc(N)c(-c2cc3cc(NC(=O)Nc4cccc(C)c4)ccc3s2)c1 to produce Cc1cccc(NC(=O)Nc2ccc3sc(-c4cc(C(=O)O)cnc4N)cc3c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.