Using COC(=O)CCC(C(=O)c1cccc(OCc2ccccc2)c1)c1ccncc1C to produce Cc1cnccc1C(CCC(=O)O)C(=O)c1cccc(OCc2ccccc2)c1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.