Using O=C1COc2ccc(Cl)c(NC(=O)C(F)(F)F)c21, CC(C)(C)[O-] to produce C=C1COc2ccc(Cl)c(NC(=O)C(F)(F)F)c21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.