Using CCCN(CCC)CC(C)=O, O=C(O)c1ccc2c(c1)nc(-c1ccc3nc(-c4cc(Br)ccc4O)ccc3c1)n2C1CCCCC1 to produce CCCN(CCC)Cc1ccc2cc(-c3nc4cc(C(=O)O)ccc4n3C3CCCCC3)ccc2n1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.