Using CCOC(=O)N1CCN(c2cn(Cc3ccccc3)c3cc(OC)ccc3c2=O)CC1 to produce COc1ccc2c(=O)c(N3CCNCC3)cn(Cc3ccccc3)c2c1, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.