Using COc1ccc2c(c1)N(CCCn1cc(NC(=O)c3ncoc3-c3cccc(C)c3)cn1)CC2 to produce COc1ccc2ccn(CCCn3cc(NC(=O)c4ncoc4-c4cccc(C)c4)cn3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.