Using O=C(O)CCCCBr, O=C(Nc1ccc(O)cc1)c1ccccc1 to produce O=C(CCCCBr)Oc1ccc(NC(=O)c2ccccc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.