Using O=C1NC2CCCCC2N1C(=O)c1ccccc1, BrCCCCBr to produce O=C(c1ccccc1)N1C(=O)N(CCCCBr)C2CCCCC21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.