Using COc1cc2c(cc1OC)CC(=O)NC=C2, BrCC1CCCN(Cc2ccccc2)C1 to produce COc1cc2c(cc1OC)CC(=O)N(CC1CCCN(Cc3ccccc3)C1)C=C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.