Using COc1ccc2c(c1)CCC(=O)C2, Cc1ccccc1N1CCNCC1 to produce COc1ccc2c(c1)CCC(N1CCN(c3ccccc3C)CC1)C2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.