Using COc1cc2c(cc1OC)C(C1(c3ccccc3Br)CCC1)N(C)CC2 to produce CN1CCc2cc(O)c(O)cc2C1C1(c2ccccc2Br)CCC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.