Using Cc1cncc2cccc(S(=O)(=O)N3CC[C@H](NCCCN)C3)c12, O=C=Nc1ccccc1 to produce Cc1cncc2cccc(S(=O)(=O)N3CC[C@H](NCCCNC(=O)Nc4ccccc4)C3)c12, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.