Using COC(=O)c1cnc(N)s1, O=Cc1ccc(-c2cccnc2)cc1 to produce COC(=O)c1cnc(NCc2ccc(-c3cccnc3)cc2)s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.