Using CCOc1c(C(=O)N(C)CCN(CC)CC)sc2cc(C)[nH]c(=O)c12, O=C(CBr)c1ccccc1 to produce CCOc1c(C(=O)N(C)CCN(CC)CC)sc2cc(C)n(CC(=O)c3ccccc3)c(=O)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.