Using CCOC(=O)Cc1[nH]c(C(=O)OC(C)(C)C)c(C)c1C(=O)OCC to produce CCOC(=O)c1c(CC(=O)O)[nH]c(C(=O)OC(C)(C)C)c1C, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.