Using COC(=O)C1(NC(=O)c2ccc3ccccc3c2OCc2ccc(C(F)(F)F)cc2)CCSCC1 to produce O=C(NC1(C(=O)O)CCSCC1)c1ccc2ccccc2c1OCc1ccc(C(F)(F)F)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.