Using O=Cc1ccc2c(c1)CN(c1ccc(-c3ccccc3)c(C(F)(F)F)c1)C2, NCCC(=O)O to produce O=C(O)CCNCc1ccc2c(c1)CN(c1ccc(-c3ccccc3)c(C(F)(F)F)c1)C2, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.