Using Cc1cccnc1CN, CC(C)(C)OC(=O)N=C(NC(=O)OC(C)(C)C)N1CCC(=O)CC1 to produce Cc1cccnc1CNC1CCN(C(=NC(=O)OC(C)(C)C)NC(=O)OC(C)(C)C)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.