Using CCOC(C)=N, CC(C)(C)OC(=O)N1CCC(C(=O)NN)CC1 to produce Cc1nnc(C2CCN(C(=O)OC(C)(C)C)CC2)[nH]1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.