Using COc1cc2ccnc(CSc3nc4ccccc4[nH]3)c2cc1OCC(F)(F)F, CC(C)(C)C(=O)OCCl to produce COc1cc2ccnc(CSc3nc4ccccc4n3COC(=O)C(C)(C)C)c2cc1OCC(F)(F)F, please predict the agent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.