Using COC(=O)c1ccccc1CBr, OC1CCn2c(CCc3ccccc3)nc3cccc1c32 to produce COC(=O)c1ccccc1COC1CCn2c(CCc3ccccc3)nc3cccc1c32, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.