Using C[C@@H]1CN(c2ccc3c4c(cccc24)C(O)C3)CCN1CC[C@@H]1OCCc2cc(C(N)=O)ccc21 to produce C[C@@H]1CN(c2ccc3c4c(cccc24)C(=O)C3)CCN1CC[C@@H]1OCCc2cc(C(N)=O)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.