Using CN(C)C=O, COc1cc2c(cc1Br)C(c1ccccc1Cl)=NCC(=O)N2 to produce COc1cc2c(cc1C#N)C(c1ccccc1Cl)=NCC(=O)N2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.