Using BrC1CCCC1, COC(=O)c1ccc2c(c1)ncn2-c1ccc(OC)c(O)c1 to produce COC(=O)c1ccc2c(c1)ncn2-c1ccc(OC)c(C2CCCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.