Using CCOC(=O)c1ccncc1NC(=O)c1nc(C2CC2)cnc1Nc1cncnc1 to produce O=C(O)c1ccncc1NC(=O)c1nc(C2CC2)cnc1Nc1cncnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.