Using O=Cc1cccnc1, CCCC[C@H]1CN(C(=O)c2cccc3ccccc23)CCN1 to produce CCCC[C@H]1CN(C(=O)c2cccc3ccccc23)CCN1Cc1cccnc1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.