Using O=C(NC1(CO)CC1)OCc1ccccc1, COc1cc2c(Cl)ccnc2cc1O to produce COc1cc2c(Cl)ccnc2cc1OCC1(NC(=O)OCc2ccccc2)CC1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.