Using c1ccc2c(c1)CCNC2, CN1C(=O)C2(CCCCBr)CCCc3cccc1c32 to produce CN1C(=O)C2(CCCCN3CCc4ccccc4C3)CCCc3cccc1c32, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.