Using O=C(O)Cc1ccc2c(c1)CCc1cccnc1O2, C(=NC1CCCCC1)=NC1CCCCC1 to produce NC(=O)Cc1ccc2c(c1)CCc1cccnc1O2, please predict the solvent for this reaction in SMILES notation in \boxed{$SMILES1, SMILES2, ...} format.