Using CN(C)C=O, CCCN(CCC)C(C)CCC1Cc2cc(Br)ccc2C1OCOC to produce CCCN(CCC)C(C)CCC1Cc2cc(C#N)ccc2C1OCOC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.