Using Cc1c[nH]c2ncnc(N3CC4CCC(C3)N4C(=O)OC(C)(C)C)c12 to produce Cc1c[nH]c2ncnc(N3CC4CCC(C3)N4)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.