Using Cc1cc(OCc2ccc(F)cc2F)c(Br)c(=O)n1Cc1cnc(C(=O)O)cn1, CC(C)(O)CN to produce Cc1cc(OCc2ccc(F)cc2F)c(Br)c(=O)n1Cc1cnc(C(=O)NCC(C)(C)O)cn1, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.