Using CCOC(=O)c1c(-c2ccc(C(C)(C)C)cc2)c2cc(C=O)ccc2n1Cc1cccc(OC)c1 to produce CCOC(=O)c1c(-c2ccc(C(C)(C)C)cc2)c2cc(CO)ccc2n1Cc1cccc(OC)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.