Using CC[C@H](C(=O)O)c1ccccc1, N[C@@H]1CC[C@H]2CN(Cc3ccccc3)C[C@H]21 to produce CC[C@H](C(=O)N[C@@H]1CC[C@H]2CN(Cc3ccccc3)C[C@H]21)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.