Using CI, O[C@@H]1CN(c2cc(Cc3ccccc3)c(Br)cn2)C[C@H]1O to produce CO[C@@H]1CN(c2cc(Cc3ccccc3)c(Br)cn2)C[C@H]1O, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.