Using O=Cc1ccccc1, COc1ccc2oc(C(C)=O)c(N)c2c1Cl to produce COc1ccc2oc(C(=O)C=Cc3ccccc3)c(N)c2c1Cl, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.