Using CO[C@]12C[C@@H](CO)CN[C@@H]1Cc1c[nH]c3cccc2c13, OCCBr to produce CO[C@]12C[C@@H](CO)CN(CCO)[C@@H]1Cc1c[nH]c3cccc2c13, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.