Using COC(=O)CN1CCC(C(c2ccccc2)c2cccc(C)c2)C1 to produce Cc1cccc(C(c2ccccc2)C2CCN(CC(=O)O)C2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.