Using COC[P+](c1ccccc1)(c1ccccc1)c1ccccc1, Cc1nn(-c2ccccc2)c(C)c1C=O to produce COC=Cc1c(C)nn(-c2ccccc2)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.