Using Cc1cccnc1-c1cccc(N=C(NC(=O)OC(C)(C)C)NC(=O)OC(C)(C)C)c1 to produce Cc1cccnc1-c1cccc(NC(=N)N)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.