Using CCC=O, COCC[C@H]1CN(C2=Nc3ccccc3Nc3sc(C(F)(F)F)nc32)CCN1 to produce CCCN1CCN(C2=Nc3ccccc3Nc3sc(C(F)(F)F)nc32)C[C@@H]1CCOC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.