Using COC(=O)c1cc(C)c(CCC(=O)OC(C)(C)C)c(C)c1 to produce Cc1cc(C(=O)O)cc(C)c1CCC(=O)OC(C)(C)C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.