Using CCCc1c(OCCOCCOCCOCCBr)ccc(C(C)=O)c1O, [C-]#N to produce CCCc1c(OCCOCCOCCOCCC#N)ccc(C(C)=O)c1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.