Using CCCc1nc2c(N)nc3cc(OC(C)=O)ccc3c2s1, BrCCn1cccc1 to produce CCCc1nc2c(N)nc3cc(OCCn4cccc4)ccc3c2s1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.