Using Cc1ncccc1Oc1cc(Br)cnc1Nc1nc([C@H]2COC3(CCCCC3)O2)ns1, COC(=O)CCS to produce COC(=O)CCSc1cnc(Nc2nc([C@H]3COC4(CCCCC4)O3)ns2)c(Oc2cccnc2C)c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.