Using CCOC(=O)CBr, O=C(C1CCCN(Cc2ccccc2)C1)N1c2ccccc2CCc2ccccc21 to produce CCOC(=O)CN1CCCC(CN2c3ccccc3CCc3ccccc32)C1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.