Using O=c1cnc2cc(Cl)c(Cl)cc2[nH]1, CCCCC(Br)C(=O)OCC to produce CCOC(=O)CCCCCn1c(=O)cnc2cc(Cl)c(Cl)cc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.