Using CCCCCCCCCCCCBr, Nc1ccc2c(c1)=NC(=O)N=2 to produce CCCCCCCCCCCCN(CCCCCCCCCCCC)c1ccc2c(c1)=NC(=O)N=2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.