Using COc1cc2c(cc1OC)C(Oc1ccccc1)CNCC2, BrCCCOc1ccccc1 to produce COc1cc2c(cc1OC)C(Oc1ccccc1)CN(CCCOc1ccccc1)CC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.