Using CC(C)(C)[O-], CCCCCc1c(-c2ccc3c(Br)c(OCC(=O)OC)ccc3c2)[nH]c2ccccc12 to produce CCCCCc1c(-c2ccc3c(Br)c(OCC(=O)O)ccc3c2)n(C)c2ccccc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.