Using CN(C)C=O, O=C(O)CCC1=C(c2ccccc2)c2ccc(O)cc2Sc2ccccc21 to produce COc1ccc2c(c1)Sc1ccccc1C(C)=C2c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.