Using Cc1nc(COC(=O)c2ccccc2)c2nc(C3CCC(C)(C)CC3)sc2n1 to produce Cc1nc(CO)c2nc(C3CCC(C)(C)CC3)sc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.