Using CN(C)C=O, CC(C)(C)OC(=O)Nc1ccc(-c2ccccc2)cn1 to produce CC(C)(C)OC(=O)Nc1ncc(-c2ccccc2)cc1C=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.