Using Cn1c(=O)ccc2cc(OCCCN(Cc3cccnc3)C(=O)c3ccccc3)ccc21 to produce Cn1c(=O)ccc2cc(OCCCNCc3cccnc3)ccc21, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.