Using CN1CCc2[nH]c3ccccc3c2C1, COC(=O)c1ccc(CBr)cc1 to produce COC(=O)c1ccc(Cn2c3c(c4ccccc42)CN(C)CC3)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.