Using CCOC(=O)CNc1ccc2c(c1)CCC2, C[C@H](NC(=O)OCc1ccccc1)C(=O)O to produce CCOC(=O)CN(C(=O)[C@H](C)NC(=O)OCc1ccccc1)c1ccc2c(c1)CCC2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.