Using COC(=O)C1(c2ncnc3cc(OC)c(OC)cc23)CCN(C(=O)OC(C)(C)C)CC1 to produce COc1cc2ncnc(C3CCNCC3)c2cc1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.