Using O=C(CCCBr)OCc1ccccc1, CCCCCCCCCOC(=O)c1c[nH]c2ccccc12 to produce CCCCCCCCCOC(=O)c1cn(CCCC(=O)OCc2ccccc2)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.