Using CCOCCBr, CCOC(=O)N1CC=C(c2c[nH]c3ncccc23)CC1 to produce CCOCCn1cc(C2=CCN(C(=O)OCC)CC2)c2cccnc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.