Using CCCc1c(OCCCN2CCN(C(C)C(=O)OC)C2=O)ccc2c(C(F)(F)F)noc12 to produce CCCc1c(OCCCN2CCN(C(C)C(=O)O)C2=O)ccc2c(C(F)(F)F)noc12, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.