Using Clc1ncccn1, O=c1n(-c2cc(O)c(Cl)cc2F)c(=S)n2n1CCCC2 to produce O=c1n(-c2cc(Oc3ncccn3)c(Cl)cc2F)c(=S)n2n1CCCC2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.