Using CCOC(=O)CBr, O=C1Nc2ccccc2C(c2ccccc2)N1C1CCNCC1 to produce CCOC(=O)CN1CCC(N2C(=O)Nc3ccccc3C2c2ccccc2)CC1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.