Using N#Cc1c(N)nc(S)c(C#N)c1-c1ccc2c(c1)OCC(CO)O2, OCCBr to produce N#Cc1c(N)nc(SCCO)c(C#N)c1-c1ccc2c(c1)OCC(CO)O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.