Using COC(=O)CP(=O)(OC)OC, CC(=O)CN1C(=O)c2ccccc2C1=O to produce COC(=O)C=C(C)CN1C(=O)c2ccccc2C1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.