Using CCCBr, Cn1cncc1C(OCc1ccc(C#N)cc1-c1ccc(=O)[nH]c1)c1ccc(C#N)cc1 to produce CCCn1cc(-c2cc(C#N)ccc2COC(c2ccc(C#N)cc2)c2cncn2C)ccc1=O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.