Using Oc1ccc(Nc2nc3ccccc3s2)cc1, Fc1ncccc1C1CCOCC1 to produce c1cnc(Oc2ccc(Nc3nc4ccccc4s3)cc2)c(C2CCOCC2)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.