Using CC(C)(C)OC(=O)N[C@@H]1CCN(C(=N)N)C1, CN(C)C=C1CN(C)CCC1=O to produce CN1CCc2nc(N3CC[C@@H](NC(=O)OC(C)(C)C)C3)ncc2C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.