Using COC(=O)[C@H](CC1(C)C=CC=CC1)NC(=O)OC1CCCCC1, CO to produce CC1(OC(=O)N[C@@H](Cc2ccccc2)C(=O)O)CCCCC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.