Using CCOC(=O)c1csc(C(=O)O)c1, Cc1cc(C)cc(CN)c1 to produce CCOC(=O)c1csc(C(=O)NCc2cc(C)cc(C)c2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.