Using O=C(CCCCBr)N1C(=O)OC[C@@H]1Cc1ccccc1, COCCl to produce COC[C@@H](CCCBr)C(=O)N1C(=O)OC[C@@H]1Cc1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.