Using O=C1CNC(=O)N1, COc1ccc(C=O)cc1OCc1ccccc1 to produce COc1ccc(C=C2NC(=O)NC2=O)cc1OCc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.