Using O=C(O)c1ccc(NCCCCCCCCCCCCCCCCBr)cc1, OCC(O)CO to produce O=C(OCC(O)CO)c1ccc(NCCCCCCCCCCCCCCCCBr)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.