Using CN(C)P(=O)(N(C)C)N(C)C, CC1(O)CCN(C(=O)OC(C)(C)C)CC1 to produce COC1(C)CCN(C(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.