Using OB(O)c1ccncc1, COC(=O)C1=CNC(OC2CCCC2)C(Br)=C1 to produce COC(=O)c1cnc(OC2CCCC2)c(-c2ccncc2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.