Using CC(C)(C)[O-], COC1(OC)COC2C(=O)CN(C(=O)OC(C)(C)C)C21 to produce C=C1CN(C(=O)OC(C)(C)C)C2C1OCC2(OC)OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.