Using N#Cc1nc(Nc2ccccc2)cc(-n2nc(Nc3ccccc3)nc2N)n1, O=C([O-])[O-] to produce NC(=O)c1nc(Nc2ccccc2)cc(-n2nc(Nc3ccccc3)nc2N)n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.