Using COc1cc(Nc2nc(N)n(-c3ccc(C(=O)O)cc3)n2)cc(OC)c1OC, O=C(n1ccnc1)n1ccnc1 to produce COc1cc(Nc2nc(N)n(-c3ccc(C(N)=O)cc3)n2)cc(OC)c1OC, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.