Using CCOC(=O)C(F)(F)Cl, CC(C)(C)OC(=O)N1CCO[C@H](c2ccc(Nc3ncc(O)cn3)cc2)C1 to produce CC(C)(C)OC(=O)N1CCO[C@H](c2ccc(Nc3ncc(OC(F)F)cn3)cc2)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.