Using CN(C)C(=O)C(NC(=O)OC(C)(C)C)c1cccc(C(F)(F)F)c1 to produce CN(C)C(=O)Cc1cccc(C(F)(F)F)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.