Using CC(=O)OCCBr, N#Cc1c(-c2ccccc2)nc(N)[nH]c1=S to produce CCOC(=O)c1sc2nc(N)nc(-c3ccccc3)c2c1N, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.