Using Oc1ccc(-n2c(Cc3nnn[nH]3)ccc2-c2ccc(Br)cc2)cc1, Cc1ncc[nH]1 to produce Cc1nccn1-c1ccc(-c2ccc(Cc3nnn[nH]3)n2-c2ccc(O)cc2)cc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.