Using COC(=O)C1Cc2c(OC)ccc(Br)c2C(CC2CCCC2)=N1 to produce COc1ccc(Br)c2c(CC3CCCC3)nc(C(=O)O)cc12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.