Using COC(=O)c1c(-c2ccccc2)c2cc(Br)cc(C)c2[nH]c1=O, CCB(CC)CC to produce CCc1cc(C)c2[nH]c(=O)c(C(=O)OC)c(-c3ccccc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.