Using O=C(N[C@H]1CCN(Cc2ccccc2)C[C@H]1OCc1ccccc1)c1ccccc1 to produce O=C(N[C@H]1CCNC[C@H]1OCc1ccccc1)c1ccccc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.