Using CN(C)C=O, O=Cc1cncc(-c2cc3ccc(Cl)cc3[nH]2)c1 to produce Cn1c(-c2cncc(C=O)c2)cc2ccc(Cl)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.