Using COCC(=O)OC, CC(C)(C)CCC(=O)N1CCN(c2cc(C(N)=NO)ccn2)CC1 to produce COCc1nc(-c2ccnc(N3CCN(C(=O)CCC(C)(C)C)CC3)c2)no1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.